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stubgen_test.go
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stubgen_test.go
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package main
import (
"os"
"reflect"
"testing"
)
func Test_genStubsFromSrc(t *testing.T) {
mustReadFile := func(fname string) []byte {
src, _ := os.ReadFile(fname)
return src
}
type args struct {
src []byte
}
tests := []struct {
name string
args args
want []byte
wantErr bool
}{
{
name: "t1, 1 interface",
args: args{
src: mustReadFile("testdata/t1.go"),
},
want: mustReadFile("testdata/t1_stub.go"),
wantErr: false,
},
{
name: "t2, 1 interface no args",
args: args{
src: mustReadFile("testdata/t2.go"),
},
want: mustReadFile("testdata/t2_stub.go"),
wantErr: false,
},
{
name: "t3, 2 interfaces",
args: args{
src: mustReadFile("testdata/t3.go"),
},
want: mustReadFile("testdata/t3_stub.go"),
wantErr: false,
},
{
name: "t4, 2 interfaces, one empty",
args: args{
src: mustReadFile("testdata/t4.go"),
},
want: mustReadFile("testdata/t4_stub.go"),
wantErr: false,
},
{
name: "t5, 2 empty interface",
args: args{
src: mustReadFile("testdata/t5.go"),
},
want: nil,
wantErr: true,
},
{
name: "t6, big interfaces with import",
args: args{
src: mustReadFile("testdata/t6.go"),
},
want: mustReadFile("testdata/t6_stub.go"),
wantErr: false,
},
{
name: "t7, interface with other code",
args: args{
src: mustReadFile("testdata/t7.go"),
},
want: mustReadFile("testdata/t7_stub.go"),
wantErr: false,
},
{
name: "t8, short import",
args: args{
src: mustReadFile("testdata/t8.go"),
},
want: mustReadFile("testdata/t8_stub.go"),
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := genStubsFromSrc(tt.args.src)
if (err != nil) != tt.wantErr {
t.Errorf("genStubsFromSrc() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("genStubsFromSrc() got = \n%v\n, want ----------"+
" \n%v", string(got), string(tt.want))
}
})
}
}